Mercurial > cropper

annotate callbacks.c @ 16:88b8856fccf5

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merged callbacks.h in main.h
author meillo@marmaro.de
date Thu, 04 Mar 2010 19:20:41 +0100
parents 7dbf3879939a
children
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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
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6 int image_width;
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7 int image_height;
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8 float inc = 0.3;
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9 float zoom = 1.0;
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12 /*
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13 void
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14 update_spin_button_ratio(GtkWidget* spinbutton)
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15 {
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16 g_print("ratio change: %f\n", ratio);
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17 on_ratio_w_spinbutton_value_changed(spinbutton, NULL);
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18 }
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20
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21 void
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22 on_ratio_none_activate(GtkMenuItem* menuitem, gpointer user_data)
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23 {
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24 ratio = 1;
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25 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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26 }
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28
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29 void
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30 on_ratio_square_activate(GtkMenuItem* menuitem, gpointer user_data)
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31 {
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32 ratio = 1;
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33 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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34 }
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36
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37 void
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38 on_ratio_4x3_activate(GtkMenuItem* menuitem, gpointer user_data)
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39 {
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40 ratio = 4.0/3.0;
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41 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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42 }
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44
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45 void
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46 on_ratio_3x2_activate(GtkMenuItem* menuitem, gpointer user_data)
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47 {
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48 ratio = 1.5;
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49 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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50 }
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51
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52
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53 void
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54 on_ratio_custom_activate(GtkMenuItem* menuitem, gpointer user_data)
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55 {
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56 ratio = gtk_spin_button_get_value(lookup_widget(cropper_window, "ratio_w_spinbutton"))
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57 / gtk_spin_button_get_value(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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58 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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59 }
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60 */
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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 static void
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72 ratio_optionmenu_changed_cb(GtkOptionMenu* optionmenu, gpointer unser_data)
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73 {
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74 int idx = gtk_option_menu_get_history(optionmenu);
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75 int w = 1, h = 1;
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76 gboolean use_ratio = TRUE;
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77
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78 switch (idx) {
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79 case GTH_CROP_RATIO_NONE:
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80 use_ratio = FALSE;
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81 break;
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82 case GTH_CROP_RATIO_SQUARE:
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83 w = h = 1;
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84 break;
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85 case GTH_CROP_RATIO_IMAGE:
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86 w = lookup_widget(cropper_window, "image_width");
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87 h = lookup_widget(cropper_window, "image_height");
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88 break;
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89 case GTH_CROP_RATIO_DISPLAY:
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90 w = lookup_widget(cropper_window, "display_width");
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91 h = lookup_widget(cropper_window, "display_height");
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92 break;
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93 case GTH_CROP_RATIO_4_3:
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94 w = 4;
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95 h = 3;
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96 break;
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97 case GTH_CROP_RATIO_4_6:
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98 w = 4;
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99 h = 6;
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100 break;
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101 case GTH_CROP_RATIO_CUSTOM:
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102 default:
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103 w = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(
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104 lookup_widget(cropper_window, "ratio_w_spinbutton")));
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105 h = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(
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106 lookup_widget(cropper_window, "ratio_h_spinbutton")));
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107 break;
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108 }
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109
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110 gtk_widget_set_sensitive(lookup_widget(cropper_window, "custom_ratio_box"),
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111 idx == GTH_CROP_RATIO_CUSTOM);
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112 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_w_spinbutton"), w);
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113 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_h_spinbutton"), h);
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114
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115 gth_image_selector_set_ratio(GTH_IMAGE_SELECTOR(lookup_widget(cropper_window, "crop_image")),
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116 use_ratio, (double) w / h);
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117 }
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118
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119
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120 static void
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121 ratio_value_changed_cb(GtkSpinButton* spin, gpointer unser_data)
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122 {
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123 int w, h;
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124
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125 w = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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126 h = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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127
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128 gth_image_selector_set_ratio(GTH_IMAGE_SELECTOR(
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129 lookup_widget(cropper_window, "crop_image")), TRUE, (double) w / h);
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130 }
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131
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132
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133 static void
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134 ratio_swap_button_cb(GtkButton* button, gpointer unser_data)
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135 {
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136 int w, h;
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137
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138 w = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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139 h = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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140
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141 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_w_spinbutton"), h);
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142 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_h_spinbutton"), w);
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143
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144 gth_image_selector_set_ratio(GTH_IMAGE_SELECTOR(lookup_widget(cropper_window,
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145 "crop_image")), TRUE, (double) h / w);
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146 }
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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 void
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156 on_ratio_w_spinbutton_value_changed(GtkSpinButton* spinbutton, gpointer user_data)
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157 {
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158 g_print("spinbutton W - ratio: %f\n", ratio);
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159 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_h_spinbutton"),
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160 gtk_spin_button_get_value(spinbutton) / ratio);
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161 }
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162
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163
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164 void
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165 on_ratio_w_spinbutton_change_value(GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data)
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166 {
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167 }
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168
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169
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170 void
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171 on_ratio_h_spinbutton_change_value(GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data)
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172 {
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173 }
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174
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175
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176 void
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177 on_ratio_h_spinbutton_value_changed(GtkSpinButton* spinbutton, gpointer user_data)
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178 {
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179 g_print("spinbutton H - ratio: %f\n", ratio);
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180 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"),
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181 gtk_spin_button_get_value(spinbutton) * ratio);
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182
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183 }
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184
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185
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186 void
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187 on_ratio_swap_button_clicked(GtkButton* button, gpointer user_data)
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188 {
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189
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190 ratio = 1.0 / ratio;
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191 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"),
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192 gtk_spin_button_get_value(lookup_widget(cropper_window,
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193 "ratio_h_spinbutton")));
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194 gtk_spin_button_update(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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195
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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 void
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201 update_title(char* zoom)
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202 {
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203 char title[128];
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204 snprintf(title, 128, "cropper (%s) %dx%d+%d+%d", zoom, w, h, x, y);
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205 gtk_window_set_title(GTK_WINDOW(cropper_window), title);
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206 }
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207
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208
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209 /* zoom */
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210 void
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211 set_zoom()
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212 {
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213 static GdkPixbuf* pixbuf_new;
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214 g_object_unref(pixbuf_new);
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215
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216 pixbuf_new = gdk_pixbuf_scale_simple(image_buffer, image_width*zoom, image_height*zoom,
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217 GDK_INTERP_BILINEAR);
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218 gtk_image_set_from_pixbuf((GtkImage*) lookup_widget(cropper_window, "image_area"), pixbuf_new);
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219 }
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220
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221 void
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222 on_zoom_in_button_clicked(GtkObject* object, gpointer user_data)
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223 {
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224 zoom *= 1 + inc;
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225 set_zoom();
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226 }
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227
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228 void
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229 on_zoom_out_button_clicked(GtkObject* object, gpointer user_data)
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230 {
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231 zoom *= 1 - inc;
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232 set_zoom();
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233 }
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234
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235 void
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236 on_zoom_100_button_clicked(GtkObject* object, gpointer user_data)
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237 {
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238 zoom = 1.0;
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239 set_zoom();
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240 }
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241
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242 void
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243 on_zoom_fit_button_clicked(GtkObject* object, gpointer user_data)
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244 {
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245 int w, h;
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246 float zw, zh;
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247 GtkWidget* image_a;
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248
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249 image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area");
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250 gdk_drawable_get_size(image_a->window, &w, &h);
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251
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252 zw = w*1.0 / image_width;
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253 zh = h*1.0 / image_height;
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254
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255 zoom = (zw < zh) ? zw : zh;
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256 set_zoom();
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257 }
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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 void
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266 crop(void)
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267 {
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268 char crop_call[256];
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269
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270 sprintf(crop_call, "echo \"convert -crop %ix%i+%i+%i %s cropped_%s\"",
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271 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
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272 "crop_width_spinbutton")),
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273 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
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274 "crop_height_spinbutton")),
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275 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
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276 "crop_x_spinbutton")),
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277 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
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278 "crop_y_spinbutton")),
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279 image_filename,
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280 image_filename
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281 );
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282 system(crop_call);
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283 gtk_main_quit();
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284 }
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285
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286
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287 void
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288 on_cropper_window_create(GtkObject* object, gpointer user_data)
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289 {
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290 image_width = gdk_pixbuf_get_width(image_buffer);
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291 image_height = gdk_pixbuf_get_height(image_buffer);
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292
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293 /*
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294 image_buffer = gdk_pixbuf_new_from_file(image_filename, NULL);
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295 image_area = gtk_image_new_from_pixbuf(image_buffer);
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296
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297 int w, h;
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298 GtkWidget* image_a;
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299
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300 image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area");
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301 gdk_drawable_get_size(image_a->window, &w, &h);
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302
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303 image_width = w - 200;
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304 image_height = h - 150;
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305 set_zoom();
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306 */
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307 }
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308
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309 void
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310 on_cropper_window_destroy(GtkObject* object, gpointer user_data)
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311 {
0
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312 gtk_main_quit();
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313 }
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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 gboolean
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319 on_key_press(GtkWidget* window, GdkEventKey* pKey, gpointer userdata)
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320 {
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321 if (pKey->type != GDK_KEY_PRESS) {
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322 return FALSE;
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323 }
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324 switch (pKey->keyval) {
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325 case GDK_q:
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326 gtk_main_quit();
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327 break;
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328 case GDK_Return:
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329 crop();
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330 break;
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331 case GDK_plus:
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332 on_zoom_in_button_clicked(NULL, userdata);
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333 break;
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334 case GDK_minus:
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335 on_zoom_out_button_clicked(NULL, userdata);
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336 break;
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337 case GDK_0:
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338 on_zoom_100_button_clicked(NULL, userdata);
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339 break;
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340 case GDK_f:
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341 on_zoom_fit_button_clicked(NULL, userdata);
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342 break;
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343 }
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344 return TRUE;
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345 }
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346
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347