Mercurial > cropper

annotate callbacks.c @ 15:7dbf3879939a

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removed support.*
author meillo@marmaro.de
date Thu, 04 Mar 2010 19:16:10 +0100
parents da18f2d4f92f
children 88b8856fccf5
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1 #include <gtk/gtk.h>
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2 #include <gdk-pixbuf/gdk-pixbuf.h>
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3 #include <gdk/gdkkeysyms.h>
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4 #include "main.h"
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5 #include "callbacks.h"
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6
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7 int image_width;
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8 int image_height;
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9 float inc = 0.3;
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10 float zoom = 1.0;
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12
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13 /*
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14 void
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15 update_spin_button_ratio(GtkWidget* spinbutton)
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16 {
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17 g_print("ratio change: %f\n", ratio);
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18 on_ratio_w_spinbutton_value_changed(spinbutton, NULL);
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19 }
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20
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21
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22 void
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23 on_ratio_none_activate(GtkMenuItem* menuitem, gpointer user_data)
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24 {
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25 ratio = 1;
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26 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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27 }
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28
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29
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30 void
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31 on_ratio_square_activate(GtkMenuItem* menuitem, gpointer user_data)
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32 {
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33 ratio = 1;
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34 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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35 }
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36
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37
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38 void
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39 on_ratio_4x3_activate(GtkMenuItem* menuitem, gpointer user_data)
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40 {
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41 ratio = 4.0/3.0;
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42 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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43 }
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45
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46 void
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47 on_ratio_3x2_activate(GtkMenuItem* menuitem, gpointer user_data)
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48 {
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49 ratio = 1.5;
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50 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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51 }
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52
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53
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54 void
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55 on_ratio_custom_activate(GtkMenuItem* menuitem, gpointer user_data)
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56 {
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57 ratio = gtk_spin_button_get_value(lookup_widget(cropper_window, "ratio_w_spinbutton"))
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58 / gtk_spin_button_get_value(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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59 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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60 }
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61 */
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62
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63
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64
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65
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66
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67
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68
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69
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70
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71 /*
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72 static void
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73 ratio_optionmenu_changed_cb(GtkOptionMenu* optionmenu, gpointer unser_data)
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74 {
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75 int idx = gtk_option_menu_get_history(optionmenu);
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76 int w = 1, h = 1;
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77 gboolean use_ratio = TRUE;
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78
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79 switch (idx) {
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80 case GTH_CROP_RATIO_NONE:
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81 use_ratio = FALSE;
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82 break;
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83 case GTH_CROP_RATIO_SQUARE:
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84 w = h = 1;
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85 break;
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86 case GTH_CROP_RATIO_IMAGE:
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87 w = lookup_widget(cropper_window, "image_width");
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88 h = lookup_widget(cropper_window, "image_height");
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89 break;
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90 case GTH_CROP_RATIO_DISPLAY:
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91 w = lookup_widget(cropper_window, "display_width");
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92 h = lookup_widget(cropper_window, "display_height");
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93 break;
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94 case GTH_CROP_RATIO_4_3:
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95 w = 4;
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96 h = 3;
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97 break;
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98 case GTH_CROP_RATIO_4_6:
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99 w = 4;
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100 h = 6;
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101 break;
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102 case GTH_CROP_RATIO_CUSTOM:
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103 default:
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104 w = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(
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105 lookup_widget(cropper_window, "ratio_w_spinbutton")));
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106 h = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(
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107 lookup_widget(cropper_window, "ratio_h_spinbutton")));
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108 break;
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109 }
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110
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111 gtk_widget_set_sensitive(lookup_widget(cropper_window, "custom_ratio_box"),
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112 idx == GTH_CROP_RATIO_CUSTOM);
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113 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_w_spinbutton"), w);
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114 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_h_spinbutton"), h);
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115
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116 gth_image_selector_set_ratio(GTH_IMAGE_SELECTOR(lookup_widget(cropper_window, "crop_image")),
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117 use_ratio, (double) w / h);
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118 }
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119
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120
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121 static void
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122 ratio_value_changed_cb(GtkSpinButton* spin, gpointer unser_data)
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123 {
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124 int w, h;
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125
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126 w = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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127 h = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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128
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129 gth_image_selector_set_ratio(GTH_IMAGE_SELECTOR(
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130 lookup_widget(cropper_window, "crop_image")), TRUE, (double) w / h);
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131 }
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132
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133
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134 static void
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135 ratio_swap_button_cb(GtkButton* button, gpointer unser_data)
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136 {
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137 int w, h;
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138
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139 w = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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140 h = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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141
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142 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_w_spinbutton"), h);
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143 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_h_spinbutton"), w);
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144
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145 gth_image_selector_set_ratio(GTH_IMAGE_SELECTOR(lookup_widget(cropper_window,
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146 "crop_image")), TRUE, (double) h / w);
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147 }
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148
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149
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150
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151
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152
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153
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154
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155
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156 void
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157 on_ratio_w_spinbutton_value_changed(GtkSpinButton* spinbutton, gpointer user_data)
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158 {
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159 g_print("spinbutton W - ratio: %f\n", ratio);
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160 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_h_spinbutton"),
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161 gtk_spin_button_get_value(spinbutton) / ratio);
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162 }
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163
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164
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165 void
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166 on_ratio_w_spinbutton_change_value(GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data)
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167 {
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168 }
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169
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170
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171 void
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172 on_ratio_h_spinbutton_change_value(GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data)
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173 {
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174 }
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175
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176
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177 void
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178 on_ratio_h_spinbutton_value_changed(GtkSpinButton* spinbutton, gpointer user_data)
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179 {
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180 g_print("spinbutton H - ratio: %f\n", ratio);
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181 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"),
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182 gtk_spin_button_get_value(spinbutton) * ratio);
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183
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184 }
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185
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186
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187 void
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188 on_ratio_swap_button_clicked(GtkButton* button, gpointer user_data)
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189 {
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190
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191 ratio = 1.0 / ratio;
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192 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"),
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193 gtk_spin_button_get_value(lookup_widget(cropper_window,
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194 "ratio_h_spinbutton")));
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195 gtk_spin_button_update(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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196
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197 }
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198 */
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199
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200
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201 void
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202 update_title(char* zoom)
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203 {
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204 char title[128];
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205 snprintf(title, 128, "cropper (%s) %dx%d+%d+%d", zoom, w, h, x, y);
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206 gtk_window_set_title(GTK_WINDOW(cropper_window), title);
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207 }
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208
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209
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210 /* zoom */
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211 void
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212 set_zoom()
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213 {
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214 static GdkPixbuf* pixbuf_new;
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215 g_object_unref(pixbuf_new);
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216
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217 pixbuf_new = gdk_pixbuf_scale_simple(image_buffer, image_width*zoom, image_height*zoom,
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218 GDK_INTERP_BILINEAR);
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219 gtk_image_set_from_pixbuf((GtkImage*) lookup_widget(cropper_window, "image_area"), pixbuf_new);
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220 }
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221
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222 void
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223 on_zoom_in_button_clicked(GtkObject* object, gpointer user_data)
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224 {
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225 zoom *= 1 + inc;
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226 set_zoom();
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227 }
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228
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229 void
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230 on_zoom_out_button_clicked(GtkObject* object, gpointer user_data)
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231 {
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232 zoom *= 1 - inc;
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233 set_zoom();
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234 }
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235
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236 void
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237 on_zoom_100_button_clicked(GtkObject* object, gpointer user_data)
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238 {
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239 zoom = 1.0;
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240 set_zoom();
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241 }
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242
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243 void
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244 on_zoom_fit_button_clicked(GtkObject* object, gpointer user_data)
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245 {
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246 int w, h;
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247 float zw, zh;
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248 GtkWidget* image_a;
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249
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250 image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area");
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251 gdk_drawable_get_size(image_a->window, &w, &h);
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252
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253 zw = w*1.0 / image_width;
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254 zh = h*1.0 / image_height;
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255
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256 zoom = (zw < zh) ? zw : zh;
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257 set_zoom();
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258 }
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259
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260
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261
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262
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263
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264
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265
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266 void
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267 crop(void)
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268 {
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269 char crop_call[256];
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270
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271 sprintf(crop_call, "echo \"convert -crop %ix%i+%i+%i %s cropped_%s\"",
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272 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
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273 "crop_width_spinbutton")),
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274 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
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275 "crop_height_spinbutton")),
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276 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
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277 "crop_x_spinbutton")),
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278 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
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279 "crop_y_spinbutton")),
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280 image_filename,
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281 image_filename
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282 );
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283 system(crop_call);
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284 gtk_main_quit();
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285 }
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286
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287
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288 void
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289 on_cropper_window_create(GtkObject* object, gpointer user_data)
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290 {
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291 image_width = gdk_pixbuf_get_width(image_buffer);
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292 image_height = gdk_pixbuf_get_height(image_buffer);
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293
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294 /*
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295 image_buffer = gdk_pixbuf_new_from_file(image_filename, NULL);
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296 image_area = gtk_image_new_from_pixbuf(image_buffer);
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297
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298 int w, h;
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299 GtkWidget* image_a;
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300
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301 image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area");
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302 gdk_drawable_get_size(image_a->window, &w, &h);
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303
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304 image_width = w - 200;
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305 image_height = h - 150;
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306 set_zoom();
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307 */
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308 }
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309
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310 void
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311 on_cropper_window_destroy(GtkObject* object, gpointer user_data)
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312 {
0
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313 gtk_main_quit();
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314 }
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315
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316
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317
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318
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319 gboolean
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320 on_key_press(GtkWidget* window, GdkEventKey* pKey, gpointer userdata)
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321 {
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322 if (pKey->type != GDK_KEY_PRESS) {
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323 return FALSE;
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324 }
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325 switch (pKey->keyval) {
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326 case GDK_q:
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327 gtk_main_quit();
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328 break;
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329 case GDK_Return:
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330 crop();
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331 break;
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332 case GDK_plus:
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333 on_zoom_in_button_clicked(NULL, userdata);
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334 break;
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335 case GDK_minus:
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336 on_zoom_out_button_clicked(NULL, userdata);
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337 break;
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338 case GDK_0:
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339 on_zoom_100_button_clicked(NULL, userdata);
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340 break;
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341 case GDK_f:
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342 on_zoom_fit_button_clicked(NULL, userdata);
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343 break;
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344 }
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345 return TRUE;
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346 }
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347
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348