Mercurial > cropper

annotate callbacks.c @ 10:5e282003f0c1

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minor changes; besser indenting
author meillo@marmaro.de
date Thu, 04 Mar 2010 13:54:17 +0100
parents 7e1cf00de1df
children c18ba4ea1514
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1 #include <gtk/gtk.h>
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2 #include <gdk-pixbuf/gdk-pixbuf.h>
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4 #include "main.h"
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5 #include "callbacks.h"
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6 #include "support.h"
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7
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8 int image_width;
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9 int image_height;
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10 float inc = 0.3;
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11 /*
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12 void update_spin_button_ratio(GtkWidget* spinbutton) {
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13 g_print("ratio change: %f\n", ratio);
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14 on_ratio_w_spinbutton_value_changed(spinbutton, NULL);
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15 }
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20
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21 void on_ratio_none_activate (GtkMenuItem* menuitem, gpointer user_data) {
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22 ratio = 1;
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23 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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24 }
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26
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27 void on_ratio_square_activate (GtkMenuItem* menuitem, gpointer user_data) {
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28 ratio = 1;
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29 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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30 }
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32
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33 void on_ratio_4x3_activate (GtkMenuItem* menuitem, gpointer user_data) {
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34 ratio = 4.0/3.0;
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35 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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36 }
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39 void on_ratio_3x2_activate (GtkMenuItem* menuitem, gpointer user_data) {
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40 ratio = 1.5;
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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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45 void on_ratio_custom_activate (GtkMenuItem* menuitem, gpointer user_data) {
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46 ratio = gtk_spin_button_get_value(lookup_widget(cropper_window, "ratio_w_spinbutton")) / gtk_spin_button_get_value(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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47 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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48 }
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49 */
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59 /*
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60 static void ratio_optionmenu_changed_cb (GtkOptionMenu* optionmenu, gpointer unser_data) {
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61 int idx = gtk_option_menu_get_history (optionmenu);
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62 int w = 1, h = 1;
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63 gboolean use_ratio = TRUE;
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64
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65 switch (idx) {
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66 case GTH_CROP_RATIO_NONE:
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67 use_ratio = FALSE;
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68 break;
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69 case GTH_CROP_RATIO_SQUARE:
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70 w = h = 1;
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71 break;
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72 case GTH_CROP_RATIO_IMAGE:
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73 w = lookup_widget(cropper_window, "image_width");
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74 h = lookup_widget(cropper_window, "image_height");
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75 break;
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76 case GTH_CROP_RATIO_DISPLAY:
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77 w = lookup_widget(cropper_window, "display_width");
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78 h = lookup_widget(cropper_window, "display_height");
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79 break;
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80 case GTH_CROP_RATIO_4_3:
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81 w = 4;
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82 h = 3;
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83 break;
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84 case GTH_CROP_RATIO_4_6:
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85 w = 4;
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86 h = 6;
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87 break;
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88 case GTH_CROP_RATIO_CUSTOM:
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89 default:
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90 w = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (lookup_widget(cropper_window, "ratio_w_spinbutton")));
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91 h = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (lookup_widget(cropper_window, "ratio_h_spinbutton")));
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92 break;
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93 }
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94
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95 gtk_widget_set_sensitive (lookup_widget(cropper_window, "custom_ratio_box"), idx == GTH_CROP_RATIO_CUSTOM);
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96 set_spin_value (cropper_window, lookup_widget(cropper_window, "ratio_w_spinbutton"), w);
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97 set_spin_value (cropper_window, lookup_widget(cropper_window, "ratio_h_spinbutton"), h);
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98
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99 gth_image_selector_set_ratio (GTH_IMAGE_SELECTOR (lookup_widget(cropper_window, "crop_image")), use_ratio, (double) w / h);
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100 }
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101
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102
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103 static void ratio_value_changed_cb (GtkSpinButton* spin, gpointer unser_data) {
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104 int w, h;
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105
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106 w = gtk_spin_button_get_value_as_int (lookup_widget(cropper_window, "ratio_w_spinbutton"));
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107 h = gtk_spin_button_get_value_as_int (lookup_widget(cropper_window, "ratio_h_spinbutton"));
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108
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109 gth_image_selector_set_ratio (GTH_IMAGE_SELECTOR (lookup_widget(cropper_window, "crop_image")), TRUE, (double) w / h);
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110 }
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111
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112
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113 static void ratio_swap_button_cb (GtkButton* button, gpointer unser_data) {
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114 int w, h;
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115
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116 w = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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117 h = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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118
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119 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_w_spinbutton"), h);
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120 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_h_spinbutton"), w);
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121
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122 gth_image_selector_set_ratio(GTH_IMAGE_SELECTOR (lookup_widget(cropper_window, "crop_image")), TRUE, (double) h / w);
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123 }
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124
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125 */
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126
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127
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128
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129
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131
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133
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134 /*
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135 void on_ratio_w_spinbutton_value_changed (GtkSpinButton* spinbutton, gpointer user_data) {
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136 g_print("spinbutton W - ratio: %f\n", ratio);
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137 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_h_spinbutton"), gtk_spin_button_get_value(spinbutton) / ratio);
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138 }
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139
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140
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141 void on_ratio_w_spinbutton_change_value (GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data) {
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142 }
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143
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144
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145 void on_ratio_h_spinbutton_change_value (GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data) {
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146 }
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147
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148
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149 void on_ratio_h_spinbutton_value_changed (GtkSpinButton* spinbutton, gpointer user_data) {
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150 g_print("spinbutton H - ratio: %f\n", ratio);
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151 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"), gtk_spin_button_get_value(spinbutton) * ratio);
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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 on_ratio_swap_button_clicked (GtkButton* button, gpointer user_data) {
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157
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158 ratio = 1.0 / ratio;
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159 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"), gtk_spin_button_get_value(lookup_widget(cropper_window, "ratio_h_spinbutton")));
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160 gtk_spin_button_update(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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161
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162 }
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163 */
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164
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165
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166
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167 /* zoom */
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168 void set_zoom() {
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169 static GdkPixbuf* pixbuf_new;
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170 g_object_unref(pixbuf_new);
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171
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172 pixbuf_new = gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR);
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173 gtk_image_set_from_pixbuf((GtkImage*) lookup_widget(cropper_window, "image_area"), pixbuf_new);
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174 }
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175
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176 void on_zoom_in_button_clicked(GtkObject* object, gpointer user_data) {
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177 image_width *= 1 + inc;
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178 image_height *= 1 + inc;
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179 set_zoom();
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180 }
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181
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182 void on_zoom_out_button_clicked(GtkObject* object, gpointer user_data) {
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183 image_width *= 1 - inc;
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184 image_height *= 1 - inc;
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185 set_zoom();
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186 }
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187
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188 void on_zoom_100_button_clicked(GtkObject* object, gpointer user_data) {
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189 image_width = gdk_pixbuf_get_width(image_buffer);
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190 image_height = gdk_pixbuf_get_height(image_buffer);
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191 set_zoom();
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192 }
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193
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194 void on_zoom_fit_button_clicked(GtkObject* object, gpointer user_data) {
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195 int w, h;
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196 GtkWidget* image_a;
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197
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198 image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area");
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199 gdk_drawable_get_size (image_a->window, &w, &h);
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200
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201 image_width = w - 200;
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202 image_height = h - 150;
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203 set_zoom();
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204 }
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205
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206
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207
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208
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209
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210
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211
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212 void on_crop_clicked(GtkButton* button, gpointer user_data) {
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213 char crop_call[256];
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214
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215 sprintf(crop_call, "echo \"convert -crop %ix%i+%i+%i %s cropped_%s\"",
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216 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window, "crop_width_spinbutton")),
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217 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window, "crop_height_spinbutton")),
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218 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window, "crop_x_spinbutton")),
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219 gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window, "crop_y_spinbutton")),
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220 image_filename,
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221 image_filename
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222 );
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223 system(crop_call);
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224 gtk_main_quit();
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225 }
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226
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227 void on_cropper_window_create(GtkObject* object, gpointer user_data) {
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228 image_width = gdk_pixbuf_get_width(image_buffer);
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229 image_height = gdk_pixbuf_get_height(image_buffer);
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230
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231 /*
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232 image_buffer = gdk_pixbuf_new_from_file(image_filename, NULL);
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233 image_area = gtk_image_new_from_pixbuf(image_buffer);
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234
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235 int w, h;
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236 GtkWidget* image_a;
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237
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238 image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area");
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239 gdk_drawable_get_size (image_a->window, &w, &h);
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240
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241 image_width = w - 200;
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242 image_height = h - 150;
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243 set_zoom();
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244 */
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245 }
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246
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247 void on_cropper_window_destroy(GtkObject* object, gpointer user_data) {
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248 gtk_main_quit();
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249 }
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250