Mercurial > cropper

annotate callbacks.c @ 7:ec2d11d96fb0

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image is now gdk-pixbuff; zoom implemented in a basic way
author meillo@marmaro.de
date Wed, 19 Mar 2008 23:01:43 +0100
parents 2f11ab3e6047
children b0824876d379
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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 "interface.h"
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7 #include "support.h"
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8
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9 int image_width;
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10 int image_height;
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11 float inc = 0.1;
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12 /*
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13 void update_spin_button_ratio(GtkWidget* spinbutton) {
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14 g_print("ratio change: %f\n", ratio);
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15 on_ratio_w_spinbutton_value_changed(spinbutton, NULL);
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16 }
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21
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22 void on_ratio_none_activate (GtkMenuItem* menuitem, gpointer user_data) {
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23 ratio = 1;
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24 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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25 }
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27
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28 void on_ratio_square_activate (GtkMenuItem* menuitem, gpointer user_data) {
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29 ratio = 1;
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30 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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31 }
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33
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34 void on_ratio_4x3_activate (GtkMenuItem* menuitem, gpointer user_data) {
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35 ratio = 4.0/3.0;
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36 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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37 }
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40 void on_ratio_3x2_activate (GtkMenuItem* menuitem, gpointer user_data) {
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41 ratio = 1.5;
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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 on_ratio_custom_activate (GtkMenuItem* menuitem, gpointer user_data) {
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47 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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48 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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49 }
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50 */
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60 /*
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61 static void ratio_optionmenu_changed_cb (GtkOptionMenu* optionmenu, gpointer unser_data) {
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62 int idx = gtk_option_menu_get_history (optionmenu);
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63 int w = 1, h = 1;
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64 gboolean use_ratio = TRUE;
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65
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66 switch (idx) {
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67 case GTH_CROP_RATIO_NONE:
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68 use_ratio = FALSE;
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69 break;
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70 case GTH_CROP_RATIO_SQUARE:
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71 w = h = 1;
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72 break;
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73 case GTH_CROP_RATIO_IMAGE:
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74 w = lookup_widget(cropper_window, "image_width");
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75 h = lookup_widget(cropper_window, "image_height");
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76 break;
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77 case GTH_CROP_RATIO_DISPLAY:
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78 w = lookup_widget(cropper_window, "display_width");
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79 h = lookup_widget(cropper_window, "display_height");
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80 break;
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81 case GTH_CROP_RATIO_4_3:
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82 w = 4;
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83 h = 3;
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84 break;
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85 case GTH_CROP_RATIO_4_6:
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86 w = 4;
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87 h = 6;
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88 break;
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89 case GTH_CROP_RATIO_CUSTOM:
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90 default:
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91 w = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (lookup_widget(cropper_window, "ratio_w_spinbutton")));
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92 h = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (lookup_widget(cropper_window, "ratio_h_spinbutton")));
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93 break;
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94 }
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95
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96 gtk_widget_set_sensitive (lookup_widget(cropper_window, "custom_ratio_box"), idx == GTH_CROP_RATIO_CUSTOM);
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97 set_spin_value (cropper_window, lookup_widget(cropper_window, "ratio_w_spinbutton"), w);
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98 set_spin_value (cropper_window, lookup_widget(cropper_window, "ratio_h_spinbutton"), h);
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99
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100 gth_image_selector_set_ratio (GTH_IMAGE_SELECTOR (lookup_widget(cropper_window, "crop_image")), use_ratio, (double) w / h);
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101 }
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102
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103
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104 static void ratio_value_changed_cb (GtkSpinButton* spin, gpointer unser_data) {
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105 int w, h;
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106
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107 w = gtk_spin_button_get_value_as_int (lookup_widget(cropper_window, "ratio_w_spinbutton"));
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108 h = gtk_spin_button_get_value_as_int (lookup_widget(cropper_window, "ratio_h_spinbutton"));
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109
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110 gth_image_selector_set_ratio (GTH_IMAGE_SELECTOR (lookup_widget(cropper_window, "crop_image")), TRUE, (double) w / h);
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111 }
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112
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113
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114 static void ratio_swap_button_cb (GtkButton* button, gpointer unser_data) {
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115 int w, h;
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116
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117 w = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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118 h = gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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119
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120 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_w_spinbutton"), h);
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121 set_spin_value(cropper_window, lookup_widget(cropper_window, "ratio_h_spinbutton"), w);
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122
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123 gth_image_selector_set_ratio(GTH_IMAGE_SELECTOR (lookup_widget(cropper_window, "crop_image")), TRUE, (double) h / w);
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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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133
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134
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135 /*
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136 void on_ratio_w_spinbutton_value_changed (GtkSpinButton* spinbutton, gpointer user_data) {
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137 g_print("spinbutton W - ratio: %f\n", ratio);
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138 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_h_spinbutton"), gtk_spin_button_get_value(spinbutton) / ratio);
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139 }
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141
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142 void on_ratio_w_spinbutton_change_value (GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data) {
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143 }
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144
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145
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146 void on_ratio_h_spinbutton_change_value (GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data) {
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147 }
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148
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149
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150 void on_ratio_h_spinbutton_value_changed (GtkSpinButton* spinbutton, gpointer user_data) {
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151 g_print("spinbutton H - ratio: %f\n", ratio);
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152 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"), gtk_spin_button_get_value(spinbutton) * ratio);
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153
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154 }
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155
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156
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157 void on_ratio_swap_button_clicked (GtkButton* button, gpointer user_data) {
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158
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159 ratio = 1.0 / ratio;
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160 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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161 gtk_spin_button_update(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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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
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168 /* zoom */
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169 void on_zoom_in_button_clicked(GtkObject* object, gpointer user_data) {
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170 printf("zoom in clicked\n");
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171 image_width *= 1 + inc;
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172 image_height *= 1 + inc;
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173 gtk_image_set_from_pixbuf(lookup_widget(cropper_window, "image_area"),
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174 gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR));
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175 }
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176
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177 void on_zoom_out_button_clicked(GtkObject* object, gpointer user_data) {
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178 printf("zoom out clicked\n");
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179 image_width *= 1 - inc;
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180 image_height *= 1 - inc;
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181 gtk_image_set_from_pixbuf(lookup_widget(cropper_window, "image_area"),
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182 gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR));
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183 }
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184
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185 void on_zoom_100_button_clicked(GtkObject* object, gpointer user_data) {
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186 printf("zoom 100 clicked\n");
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187 image_width = gdk_pixbuf_get_width(image_buffer);
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188 image_height = gdk_pixbuf_get_height(image_buffer);
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189 gtk_image_set_from_pixbuf(lookup_widget(cropper_window, "image_area"),
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190 gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR));
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191 }
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192
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193 void on_zoom_fit_button_clicked(GtkObject* object, gpointer user_data) {
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194 printf("zoom fit clicked\n");
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195 image_width = gdk_pixbuf_get_width(image_buffer) + 200; /* FIXME */
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196 image_height = gdk_pixbuf_get_height(image_buffer) + 200; /* FIXME */
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197 gtk_image_set_from_pixbuf(lookup_widget(cropper_window, "image_area"),
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198 gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR));
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199 }
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200
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201
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202
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203
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204
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205
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206
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207 void on_crop_clicked(GtkButton* button, gpointer user_data) {
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208 char crop_call[256];
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209
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210 sprintf(crop_call, "echo \"convert -crop %ix%i+%i+%i %s cropped_%s\"",
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211 gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "crop_width_spinbutton")),
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212 gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "crop_height_spinbutton")),
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213 gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "crop_x_spinbutton")),
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214 gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "crop_y_spinbutton")),
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215 image_filename,
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216 image_filename
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217 );
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218 system(crop_call);
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219 gtk_main_quit();
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220 }
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221
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222 void on_cropper_window_create (GtkObject* object, gpointer user_data) {
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223 image_width = gdk_pixbuf_get_width(image_buffer);
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224 image_height = gdk_pixbuf_get_height(image_buffer);
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225 }
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226
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227 void on_cropper_window_destroy (GtkObject* object, gpointer user_data) {
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228 gtk_main_quit();
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229 }
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230